1 University of Southern California; Introduction: Founded in 1880, located in downtown Los Angeles, Southern California, USA. It is the oldest private university in California and the west coast of the United States, and one of the world's leading private comprehensive academic research universities. 2. Purdue University; Introduction: This university enjoys a high academic reputation and strong influence in the United States and internationally. It is one of the few universities that can still rank first in the world without setting up medical schools, law schools and architecture schools. 3. Columbia University; Introduction: It is a world-famous private research university located in Manhattan, new york, USA. On 1896, it was officially renamed as Columbia University, which belongs to the Ivy League School and is one of the founding members of association of american universities. 4. Michigan State University; Introduction: Founded in 1855, it is the first university in the United States established under the Land Grant Act. As a top public research university, Michigan State University is not only famous for its education, agriculture and communication theory, but also a pioneer in packaging and music therapy research. 5. Ohio State University; Introduction: Located in Columbus, Ohio, USA, it is the top research-oriented public institution of higher learning in the United States with a long history and outstanding reputation, and is now a member of the top ten leagues.